# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -o - %s -fixup-allow-gcptr-in-csr=false -run-pass fixup-statepoint-caller-saved | FileCheck %s # NOTE: MIR in this test was hand edited to have two statepoints share single landing pad. # This is forbidden in IR, but is allowed in MIR. I just was unable to reproduce conditions # under which landing pad merge happens. So I did it manually. # --- | ; ModuleID = 'statepoint-fixup-shared-ehpad.ll' source_filename = "statepoint-fixup-shared-ehpad.ll" target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-pc-linux-gnu" declare void @foo() declare void @bar() declare i32 @personality_function() define i8 addrspace(1)* @test_one(i32 %a, i8 addrspace(1)* %p, i8 addrspace(1)* %q) gc "statepoint-example" personality i32 ()* @personality_function { entry: %cmp = icmp eq i32 %a, 0 br i1 %cmp, label %zero, label %nonzero zero: ; preds = %entry %token = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* %p, i8 addrspace(1)* %q) ] to label %normal_dest_a unwind label %exceptional_return_a nonzero: ; preds = %entry %token2 = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @bar, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* %p, i8 addrspace(1)* %q) ] to label %normal_dest_b unwind label %exceptional_return_b normal_dest_a: ; preds = %zero %p2 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token, i32 0, i32 0) ; (%p, %p) ret i8 addrspace(1)* %p2 exceptional_return_a: ; preds = %zero %landing_pad = landingpad token cleanup %q2 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %landing_pad, i32 1, i32 1) ; (%q, %q) ret i8 addrspace(1)* %q2 normal_dest_b: ; preds = %nonzero %p3 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token2, i32 0, i32 0) ; (%p, %p) ret i8 addrspace(1)* %p3 exceptional_return_b: ; preds = %nonzero %landing_pad2 = landingpad token cleanup %q3 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %landing_pad2, i32 1, i32 1) ; (%q, %q) ret i8 addrspace(1)* %q3 } declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 immarg, i32 immarg, void ()*, i32 immarg, i32 immarg, ...) ; Function Attrs: nounwind readonly declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32 immarg, i32 immarg) #0 attributes #0 = { nounwind readonly } attributes #1 = { nounwind } ... --- name: test_one alignment: 16 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: [] liveins: - { reg: '$edi', virtual-reg: '' } - { reg: '$rsi', virtual-reg: '' } - { reg: '$rdx', virtual-reg: '' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: true stackProtector: '' maxCallFrameSize: 4294967295 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: test_one ; CHECK: bb.1: ; CHECK: successors: %bb.3(0x40000000), %bb.4(0x40000000) ; CHECK: liveins: $rbx, $r14 ; CHECK: EH_LABEL ; CHECK: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK: MOV64mr [[STACK0:%stack.[0-9]+]], 1, $noreg, 0, $noreg, killed $rbx :: (store 8 into [[STACK0]]) ; CHECK: MOV64mr [[STACK1:%stack.[0-9]+]], 1, $noreg, 0, $noreg, killed $r14 :: (store 8 into [[STACK1]]) ; CHECK: STATEPOINT 0, 0, 0, @foo, 2, 0, 2, 0, 2, 0, 2, 2, 1, 8, [[STACK0]], 0, 1, 8, [[STACK1]], 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (load store 8 on [[STACK1]]), (load store 8 on [[STACK0]]) ; CHECK-DAG: $rbx = MOV64rm [[STACK0]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK0]]) ; CHECK-DAG: $r14 = MOV64rm [[STACK1]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK1]]) ; CHECK: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK: EH_LABEL ; CHECK: JMP_1 %bb.3 ; CHECK: bb.2: ; CHECK: successors: %bb.5(0x40000000), %bb.4(0x40000000) ; CHECK: liveins: $rbx, $r14 ; CHECK: EH_LABEL ; CHECK: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-DAG: MOV64mr [[STACK0]], 1, $noreg, 0, $noreg, killed $rbx :: (store 8 into [[STACK0]]) ; CHECK-DAG: MOV64mr [[STACK1]], 1, $noreg, 0, $noreg, killed $r14 :: (store 8 into [[STACK1]]) ; CHECK: STATEPOINT 0, 0, 0, @bar, 2, 0, 2, 0, 2, 0, 2, 2, 1, 8, %stack.0, 0, 1, 8, [[STACK1]], 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (load store 8 on [[STACK1]]), (load store 8 on [[STACK0]]) ; CHECK-DAG: $rbx = MOV64rm [[STACK0]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK0]]) ; CHECK-DAG: $r14 = MOV64rm [[STACK1]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK1]]) ; CHECK: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK: EH_LABEL ; CHECK: JMP_1 %bb.5 ; CHECK: bb.4 (landing-pad): ; CHECK: liveins: $rax, $rdx, $r14 ; CHECK: EH_LABEL ; CHECK-DAG: $rbx = MOV64rm [[STACK0]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK0]]) ; CHECK-DAG: $r14 = MOV64rm [[STACK1]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK1]]) ; CHECK: $rax = COPY killed renamable $r14 ; CHECK: RET 0, $rax bb.0: successors: %bb.1, %bb.2 liveins: $edi, $rdx, $rsi renamable $r14 = COPY $rdx renamable $rbx = COPY $rsi TEST32rr killed renamable $edi, renamable $edi, implicit-def $eflags JCC_1 %bb.2, 5, implicit killed $eflags JMP_1 %bb.1 bb.1: successors: %bb.3, %bb.4 liveins: $rbx, $r14 EH_LABEL ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp renamable $rbx, renamable $r14 = STATEPOINT 0, 0, 0, @foo, 2, 0, 2, 0, 2, 0, 2, 2, killed renamable $rbx(tied-def 0), killed renamable $r14(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp EH_LABEL JMP_1 %bb.3 bb.2: successors: %bb.5, %bb.4 liveins: $rbx, $r14 EH_LABEL ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp renamable $rbx, renamable $r14 = STATEPOINT 0, 0, 0, @bar, 2, 0, 2, 0, 2, 0, 2, 2, killed renamable $rbx(tied-def 0), killed renamable $r14(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp EH_LABEL JMP_1 %bb.5 bb.3: liveins: $rbx $rax = COPY killed renamable $rbx RET 0, $rax bb.4 (landing-pad): liveins: $rax, $rdx, $r14 EH_LABEL $rax = COPY killed renamable $r14 RET 0, $rax bb.5: liveins: $rbx $rax = COPY killed renamable $rbx RET 0, $rax ...